Skip to content
Specdex
Compare now
Core i7-8700K — Coffee Lake · 6C/12T · 95 W · LGA1151
Intel

Core i7-8700K

Coffee Lake · 6C/12T · 95 W · LGA1151

62
/ 100
From $359
VS
Xeon W9-3475X wins by 28
Xeon W9-3475X — Sapphire Rapids · 36C/72T · LGA4677
Intel

Xeon W9-3475X

Sapphire Rapids · 36C/72T · LGA4677

90
/ 100
From $3,739
Specdex verdict

Xeon W9-3475X takes it — here’s why.

In our weighted Specdex score, Core i7-8700K lands at 62 and Xeon W9-3475X at 90. That puts Xeon W9-3475X ahead by 28 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Core i7-8700K if…

  • ✓Strong per-core performance
  • ✓Hybrid P/E cores (12th gen+)
  • ✓Wide platform availability

Pick Xeon W9-3475X if…

  • ✓Massive core counts
  • ✓ECC memory support
  • ✓Workstation/server-grade platform
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

Derived from the sub-score breakdown · not a separate test

Gaming

Xeon W9-3475X

Frame-rate-bound workloads — favours cache and single-thread speed

Xeon W9-3475X leads on single (82 vs 64).

Creators & productivity

Xeon W9-3475X

Rendering, compilation, heavy multitasking — favours core count

Xeon W9-3475X leads on multi (90 vs 62).

Power efficiency

Xeon W9-3475X

Performance per watt — thermals, PSU headroom, electricity cost

Xeon W9-3475X leads on efficiency (78 vs 72).

Value for money

Core i7-8700K

Specdex score per dollar at MSRP

Core i7-8700K more score per dollar ($359 vs $3,739).

Core i7-8700K 62
vs
90 Xeon W9-3475X

Score breakdown

Core i7-8700K
62
single 64
multi 62
gaming 61
efficiency 72
Xeon W9-3475X
90
single 82
multi 90
gaming 70
efficiency 78

Specs side-by-side

Core i7-8700K versus Xeon W9-3475X — full spec comparison
Spec Core i7-8700K Xeon W9-3475X
Architecture
Coffee Lake
Sapphire Rapids
Cores
6
▲ 36
Threads
12
▲ 72
TDP
95 W
—
Socket
LGA1151
LGA4677
Release year
2017
2023

Core i7-8700K

Pros
  • +Strong per-core performance
  • +Hybrid P/E cores (12th gen+)
  • +Wide platform availability
Cons
  • −Power draw on top SKUs
  • −Frequent socket changes
  • −Arrow Lake gaming regressions

Xeon W9-3475X

Pros
  • +Massive core counts
  • +ECC memory support
  • +Workstation/server-grade platform
Cons
  • −Niche platform, limited motherboards
  • −High TDP requires serious cooling
  • −Premium price

FAQ: Core i7-8700K vs Xeon W9-3475X

Which is better, Core i7-8700K or Xeon W9-3475X? +

Xeon W9-3475X scores 90 on our weighted rubric — ahead by 28. Your best pick depends on the sub-scores above.

Is Core i7-8700K worth the price? +

At $359, Core i7-8700K delivers a Specdex score of 62 — strongest in efficiency.

Is Xeon W9-3475X worth the price? +

At $3,739, Xeon W9-3475X delivers a Specdex score of 90 — strongest in multi.

Does Core i7-8700K or Xeon W9-3475X last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for gaming, Core i7-8700K or Xeon W9-3475X? +

Xeon W9-3475X — leads on single (82 vs 64). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for creator and productivity work, Core i7-8700K or Xeon W9-3475X? +

Xeon W9-3475X — leads on multi (90 vs 62). Rendering, compilation, heavy multitasking — favours core count.